Home
Class 11
PHYSICS
When two co - axial coils having same cu...

When two co - axial coils having same current in same direction are being close to each other then the value of current in both coils :

A

increases

B

decreases

C

first increases and then decreases

D

remain same

Text Solution

Verified by Experts

The correct Answer is:
B
When two coils are brought near to each other then changes to both the coils, due to which induce current produces, so the current in both decreases, because induce current oppose the main current.
Promotional Banner

Topper's Solved these Questions

  • ELASTICITY AND VISCOCITY

    RESONANCE ENGLISH|Exercise Advanced Level Problems|9 Videos

  • ELECTROSTATICS

    RESONANCE ENGLISH|Exercise Exercise|52 Videos

Similar Questions

Explore conceptually related problems

When two co-axial coils having same current in same direction are bring to each other, then the value of current in both coils:

When two wires have current in same direction then force is

The current flowing in two coaxial coils in the same direction. On increasing the distance the two, the electric current will

Two coils carrying current in opposite direction are placed co- axially with centres at some finite separation. If they are brought close to each other then, current flowing in them should

Two identical coaxial circular loops carry a current i each circulating int the same direction. If the loops approch each other the current in

Two parallel wires carrying current in the same direction attract each other while two beams of electrons travelling in the same direction repel each other. Why?

Two parallel wires carrying current in the same direction attract each other while two beams of electrons travelling in the same direction repel each other. Why?

Two coils of wires A and B are mutually at right angles to each other as shown in the figure. If the current in one coil is changed, then in the other coil

Two identical coils A and B are kept on a horizontal tube side by side without touching each other. If the current in the coil A increases with time, in response, the coil B

Two coil are placed close to each other. The mutual inductance of the pair of coils depends upon.

RESONANCE ENGLISH-ELECTROMAGNETIC INDUCTION-Exercise
  1. An electron beam is moving near to a conducting loop then the induced...

    Text Solution

    |

  2. The magnetic flux linked with a coil, in webers is given by the equati...

    Text Solution

    |

  3. A metal conductor of length 1 m rotates vertically about one of its en...

    Text Solution

    |

  4. The resistance of a coil is 5 ohm and a current of 0.2A is induced in ...

    Text Solution

    |

  5. If the length and area of cross-section of an inductor remain same but...

    Text Solution

    |

  6. Self-inductance of a solenoid depend on-

    Text Solution

    |

  7. When current flowing in a coil changes from 3A to 2A in one millisecon...

    Text Solution

    |

  8. In the figure, magnetic energy stored in the coil is

    Text Solution

    |

  9. The self-inductance of solenoid of length L, area of cross-section S a...

    Text Solution

    |

  10. Energy is stored in the choke coil in the form of :

    Text Solution

    |

  11. The self-inductances of two identical coils are 0.1H. They are wound o...

    Text Solution

    |

  12. The magnetic flux through Circuit of resistance R chages by an a...

    Text Solution

    |

  13. A conducting circular loop is placed in a uniform magnetic field, B = ...

    Text Solution

    |

  14. Which of the following is proportional to energy density in magnetic f...

    Text Solution

    |

  15. When two co - axial coils having same current in same direction are b...

    Text Solution

    |

  16. A magnetic field can be produced by

    Text Solution

    |

  17. A bar magent is released into a copper ring directly below it . The ac...

    Text Solution

    |

  18. Lenz's law gives:

    Text Solution

    |

  19. Statement 1: Electric field produced by changing magnetic field is non...

    Text Solution

    |

  20. Assertion Two concentric conducting rings of different radii are place...

    Text Solution

    |